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GetLocaleInfoA impl. (copied from wine)

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svn path=/trunk/; revision=7907
This commit is contained in:
Gunnar Dalsnes 2004-01-28 23:03:59 +00:00
parent b6b9cc70d8
commit dae39308ff
1 changed files with 81 additions and 13 deletions
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94
reactos/lib/kernel32/misc/lang.c
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@ -1,4 +1,4 @@
/* $Id: lang.c,v 1.11 2004/01/23 21:16:03 ekohl Exp $
/* $Id: lang.c,v 1.12 2004/01/28 23:03:59 gdalsnes Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT : ReactOS user mode libraries
@ -887,20 +887,88 @@ GetLocaleInfoW (
}
/*
* @unimplemented
/***********************************************************************
* get_lcid_codepage
*
* Retrieve the ANSI codepage for a given locale.
*/
int
STDCALL
GetLocaleInfoA (
LCID Locale,
LCTYPE LCType,
LPSTR lpLCData,
int cchData
)
inline static UINT get_lcid_codepage( LCID lcid )
{
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return 0;
UINT ret;
if (!GetLocaleInfoW( lcid, LOCALE_IDEFAULTANSICODEPAGE|LOCALE_RETURN_NUMBER, (WCHAR *)&ret,
sizeof(ret)/sizeof(WCHAR) )) ret = 0;
return ret;
}
/*
* @implemented
*
* Get information about an aspect of a locale.
*
* PARAMS
* lcid [I] LCID of the locale
* lctype [I] LCTYPE_ flags from "winnls.h"
* buffer [O] Destination for the information
* len [I] Length of buffer in characters
*
* RETURNS
* Success: The size of the data requested. If buffer is non-NULL, it is filled
* with the information.
* Failure: 0. Use GetLastError() to determine the cause.
*
* NOTES
* - LOCALE_NEUTRAL is equal to LOCALE_SYSTEM_DEFAULT
* - The string returned is NUL terminated, except for LOCALE_FONTSIGNATURE,
* which is a bit string.
*/
INT STDCALL GetLocaleInfoA( LCID lcid, LCTYPE lctype, LPSTR buffer, INT len )
{
WCHAR *bufferW;
INT lenW, ret;
if (len < 0 || (len && !buffer))
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (!len) buffer = NULL;
if (!(lenW = GetLocaleInfoW( lcid, lctype, NULL, 0 ))) return 0;
if (!(bufferW = HeapAlloc( GetProcessHeap(), 0, lenW * sizeof(WCHAR) )))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return 0;
}
if ((ret = GetLocaleInfoW( lcid, lctype, bufferW, lenW )))
{
if ((lctype & LOCALE_RETURN_NUMBER) ||
((lctype & ~LOCALE_LOCALEINFOFLAGSMASK) == LOCALE_FONTSIGNATURE))
{
/* it's not an ASCII string, just bytes */
ret *= sizeof(WCHAR);
if (buffer)
{
if (ret <= len) memcpy( buffer, bufferW, ret );
else
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
ret = 0;
}
}
}
else
{
UINT codepage = CP_ACP;
if (!(lctype & LOCALE_USE_CP_ACP)) codepage = get_lcid_codepage( lcid );
ret = WideCharToMultiByte( codepage, 0, bufferW, ret, buffer, len, NULL, NULL );
}
}
HeapFree( GetProcessHeap(), 0, bufferW );
return ret;
}